Effect of Initial Aluminum Alloy Particle Size on the Damage of Carbon Nanotubes during Ball Milling

Zhu, Xianyong; Zhao, Yu; Wu, Min; Wang, Hui Yuan; Jiang, Qi–Chuan

doi:10.3390/ma9030173

Cited by 10 publications

(4 citation statements)

References 39 publications

(68 reference statements)

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“…In conventional MMCs, the most widely used reinforcements are ceramics, such as Al 2 O 3 or SiC, in the form of fibers, flakes or particulates [ 6 , 7 , 8 , 9 ]. While regarding fibers at the nanoscale one of the most recently studied reinforcement for Al alloys are Carbon Nanotubes CNT [ 10 , 11 , 12 ]. Thus, aluminum based metal matrix composites reinforced by particles and fibers are successfully applied in various fields of automotive and aircraft industry.…”

Section: Introductionmentioning

confidence: 99%

Titanium Carbide Nanofibers-Reinforced Aluminum Compacts, a New Strategy to Enhance Mechanical Properties

et al. 2016

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TiC nanofibers reinforced Al matrix composites were produced by High Frequency Induction Heat Sintering (HFIHS).The titanium carbide nanofibers with an average diameter of 90 nm are first prepared by electrospinning technique and high temperature calcination process. A composite solution containing polyacrylonitrile and titanium isopropoxide is first electrospun into the nanofibers, which are subsequently stabilized and then calcined to produce the desired TiC nanofibers. The X-ray diffraction pattern and transmission electron microscopy results show that the main phase of the as-synthesized nanofibers is titanium carbide. The TiC nanofibers is then mixed with the aluminum powders and introduced into high frequency induction heat sintering (HFIHS) to produce composites of TiC nanofibers reinforced aluminum matrix. The potential application of the TiC nanofibers reinforced aluminum matrix composites was systematically investigated. 99.5% relative density and around 85 HV (833 MPa) Vickers hardness of the Al reinforced with 5 wt % TiC nanofiber has been obtained. Furthermore, the sample of Al contains 5 wt % TiC, has the highest value of compression and yield strength of about 415 and 350 MPa, respectively. The ductility of the Al/5 wt % TiC showed increasing with increasing the TiC contents.

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Section: Introductionmentioning

confidence: 99%

Titanium Carbide Nanofibers-Reinforced Aluminum Compacts, a New Strategy to Enhance Mechanical Properties

et al. 2016

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“…During the normalization process within 160 min the mixture bulk density was decreasing till the stationary value 0,34…0,36 g/cm 3 (Fig. 1) suggesting the right choice of the low-energy impact level with excluding the cold-welding process being characterized with CP forming and increasing of their bulk weight.…”

Section: Resultsmentioning

confidence: 96%

“…Several researchers [1][2][3][4][5] testified that the achievement of high physical and mechanical properties by aluminum matrix compositions is based on the effective dispersion of carbon nanotubes (CNT) in the aluminum matrix of the composition material provided at the stage of receiving of the aluminum matrix composition (AMC) including but not limited to the method of mechanical alloying (MA). Authors of these papers fairly argue that clustering and agglomerating of CNT are critical technological issues.…”

Section: Introductionmentioning

confidence: 99%

Development and Investigation of The Production Process of the Aluminum Matrix Composition Mechanically Alloyed With Single-Walled Carbon Nanotubes and the Composition Material Made of it

2019

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The effect of a new suggested by authors approach for alloying of the aluminum matrix powder with carbon nanotubes is described in this paper. The manufacturing science is designed for receiving the highly-homogenous in volume dry mixture «aluminum powder – single-walled carbon nanotubes» suitable for synthetic processing of the aluminum matrix composition by the mechanical alloying and for producing of finished aluminum matrix composition materials. The effect of the experimental investigation of production processes of the aluminum matrix composition and workpieces of finished aluminum matrix composition materials is described in this paper.

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“…Several methods have been proposed to improve the homogeneity DOI of CNTs such as chemical vapor deposition [7], molecular level mixing [10], electroplating [5] and high energy ball-milling, etc. [2,11]. However, the agglomeration of CNT clusters is still a challenge for uniform distribution of CNT and metal matrix.…”

Section: Introductionmentioning

confidence: 99%

EFFECT OF ULTRASONIC-ASSISTED COMPACTION ON DENSITY AND HARDNESS OF Cu-CNT NANOCOMPOSITES SINTERED BY CAPSULE-FREE HOT ISOSTATIC PRESSING

Trung¹,

Phuong²,

Luan³

et al. 2017

Acta Metall Slovaca

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Cu-CNTs composites were prepared with and without ultrasonic-assisted compaction in this work. The samples were sintered by capsule-free hot isostatic pressing at 920 o C and 50 MPa Ar gases. The results showed that the higher relative density and Brinell hardness were obtained for ultrasonic assisted compaction samples (at the same CNT content). For both cases, the highest hardness values was achieved at 0.5 wt.% CNT (49.2 HB and 45.8 HB for specimens with and without the ultrasonic-assisted compaction, respectively). The hardness was then decreased as the CNT content increased. The higher hardness values were resulted from higher densification of the sintered samples with ultrasonic-assisted compaction compared to the others.Keywords: Cu-CNT composites, carbon nanotubes, ultrasonic, compaction, hot isostatic pressing 1 Introduction Due to the unique properties of carbon nanotubes (CNT) such as high strength, good thermal conductivity and electrical properties, it's considered to be an ideal reinforcement for metal matrix composites [1][2][3]. An increasing of researches concerning with CNTs reinforced metal matrix composites (CNT-MMC) has been carried out in recent years. There are several techniques to fabricate CNT-MMC including powder metallurgy, electrodeposition, electroplating, melting and spray coating methods [3][4][5][6][7][8][9]. In which, powder route is the most popular method being used. The basic steps of the method include mixing CNT with metal powder (Al, Cu, Ni, etc.) via a mechanical alloying, and following by compaction and sintering. Up to date, the challenge is how to induce a uniform dispersion of CNT in metal matrix, especially, for high CNT amount. The strong van der Waal's force of attraction among CNT, the density discrepancy between CNT and metal matrix, the tendency to agglomeration and tangle together of CNT are attributed to the poor dispersion of CNT in the metal matrix. Besides that the weak interface bonding between CNT and metal matrices due to the poor wettability characteristic of CNT with metal matrices also restrict the incorporation of CNT with metal matrix. And so, these cause the reduction in their expected properties of the composites. Several methods have been proposed to improve the homogeneity

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Effect of Initial Aluminum Alloy Particle Size on the Damage of Carbon Nanotubes during Ball Milling

Cited by 10 publications

References 39 publications

Titanium Carbide Nanofibers-Reinforced Aluminum Compacts, a New Strategy to Enhance Mechanical Properties

Titanium Carbide Nanofibers-Reinforced Aluminum Compacts, a New Strategy to Enhance Mechanical Properties

Development and Investigation of The Production Process of the Aluminum Matrix Composition Mechanically Alloyed With Single-Walled Carbon Nanotubes and the Composition Material Made of it

EFFECT OF ULTRASONIC-ASSISTED COMPACTION ON DENSITY AND HARDNESS OF Cu-CNT NANOCOMPOSITES SINTERED BY CAPSULE-FREE HOT ISOSTATIC PRESSING

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